CN201112263Y - High voltage vacuum breaker - Google Patents
High voltage vacuum breaker Download PDFInfo
- Publication number
- CN201112263Y CN201112263Y CNU200720087428XU CN200720087428U CN201112263Y CN 201112263 Y CN201112263 Y CN 201112263Y CN U200720087428X U CNU200720087428X U CN U200720087428XU CN 200720087428 U CN200720087428 U CN 200720087428U CN 201112263 Y CN201112263 Y CN 201112263Y
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- hinged
- rod
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Abstract
The utility model relates to a high-voltage vacuum circuit breaker and pertains to the technical field of high-voltage switches. The high-voltage vacuum circuit breaker mainly aims at solving the problem that the high-voltage vacuum circuit breaker with a spring mechanism can not meet the demand of high reliability due to high failure rate and short service life and is provided with a double-coil and bistable permanent magnetic mechanism and dispenses with a complex energy storage device and a vulnerable lock stripper in the tradition mechanism to be characterized by simpler structure, more reliability, longer service life, abating maintenance, etc. A set of permanent magnetic mechanism drives a three-phase linkage; the vacuum circuit breaker can ensure that the switching force and the power of the permanent magnetic mechanism can be significantly reduced by forming an advancing mechanism with a connection rod mechanism and is additionally provided with a handle for manual emergency manual opening and closing to promptly deal with the manual opening and closing to ensure distribution network lines smooth operation when control circuits have a failure or electricity deficiency. The high-voltage vacuum circuit breaker of the utility model is applicable to various types of high-voltage vacuum circuit breakers.
Description
Technical field
The utility model belongs to the high-voltage switch gear technical field.Be specifically related to a kind of high-pressure vacuum breaker.
Background technology
Along with The development in society and economy, power consumer and power department are more and more higher to the reliability requirement of mains supply, and power distribution automation is had higher requirement again to high voltage switchgear; Yet the high-pressure vacuum breaker of present widely used spring mechanism because energy storage device complex structure, poor reliability, lock release are easy to wear, useful life is short, still difficultly satisfies the reliability requirement that has improved.
Summary of the invention
The purpose of this utility model is exactly at above-mentioned weak point, provides that a kind of structure is simpler, reliability is higher, longer service life, and can reduce or remit the high-pressure vacuum breaker of joining permanent magnet mechanism of maintenance.
Technical solution of the present utility model is: a kind of high-pressure vacuum breaker comprises Shell of circuit breaker and the three phase isolated tube that is arranged on the housing side; Insulating cylinder top is provided with upper and lower outlet seat, upper and lower support, vacuum interrupter and the extension bar that connects with the vacuum interrupter moving contact is characterized in that: also comprise driving linkage and the driving-chain that extension bar moves up and down, drive the permanent magnet mechanism of this linkage and driving-chain motion; This permanent magnet mechanism comprises the moving iron core in the middle of being arranged on, and is arranged on the static iron core of moving iron core periphery, is fixed on the permanent magnet at static iron core middle part and is installed in the push rod that moves on the iron core; Static iron core inner chamber two ends in the permanent magnet mechanism are provided with closing coil and switching winding; Drive three and link by a cover twin coil, bistable-state permanent magnet mechanism; This linkage comprises hinged left and right two master connecting-rods, wherein a master connecting-rod is hinged with the support that is fixed on the housing that exceeds the quata, and this driving-chain comprises insulated tension pole, main shaft, connecting plate, rocking arm, left and right master connecting-rod and the slave connecting rod between the push rod that is connected in successively on extension bar and the moving iron core; Main shaft is hinged with the bearing shell that is fixed on the housing.
Be hinged with the connecting plate of band cross-arm on the slave connecting rod described in the utility model technical solution; Also comprise the emergent manual brake separating handle that is made of shifting block, tripping spring, wherein, shifting block is hinged with the support that is fixed on the housing, and tripping spring connects with cross-arm and housing.
Also comprise the emergent closing by hand handle that constitutes by shifting block, sliding sleeve, switching-in spring, coupling bar in the utility model technical solution; Wherein, shifting block and sliding sleeve, shifting block and the support that is fixed on the housing are hinged, and coupling bar connects with cross-arm is fastening.
On the described driving-chain described in the utility model technical solution from push rod to comprising slave connecting rod, right master connecting-rod, rocking arm, connecting plate, main shaft, insulated tension pole between the extension bar successively; Wherein push rod, right master connecting-rod and slave connecting rod are hinged; Right master connecting-rod, connecting plate and rocking arm are hinged, and rocking arm is hinged with the support that is fixed on the housing; Connecting plate, insulated tension pole and main shaft are hinged, and main shaft is hinged with the bearing shell that is fixed on the housing; The insulated tension pole other end connects with extension bar is fastening.This driving-chain is applicable to the trolley type circuit breaker.
Pay slave connecting rod, left master connecting-rod, main shaft, insulated tension pole, rocking arm, connecting plate from push rod to comprising successively between the extension bar on the described driving-chain described in the utility model technical solution; Wherein, push rod, left master connecting-rod and slave connecting rod are hinged; Left side master connecting-rod, insulated tension pole and main shaft are hinged, and main shaft is hinged with the bearing shell that is fixed on the housing; Connecting plate, insulated tension pole and rocking arm are hinged, and rocking arm is hinged with the support that is fixed on the housing; Connecting plate and extension bar are hinged.This driving-chain is applicable to fixed circuit breaker.
The utility model is owing to use the permanent magnet mechanism of being made up of parts such as moving iron core, static iron core, permanent magnets, saved energy storage device complicated in the conventional springs mechanism and lock release easy to wear, thereby simplified the structure, improved reliability greatly, prolonged useful life and can reduce or remit maintenance.The linkage that the utility model is made up of two master connecting-rods and fixed support owing to the innovation use, 145 ° of its two master connecting-rods angles, so switching force is greatly reduced, the energy consumption of permanent magnet mechanism can decline to a great extent.The utility model adds emergent manual brake separating handle owing to set up the emergent closing by hand handle of being made up of parts such as handle, shifting block, sliding sleeve, switching-in spring and coupling bars; The defence control system breaks down or during short of electricity, still can carry out the on/off switch operation to circuit breaker, makes power network line in time recover unimpeded and normal operation.In sum, the utlity model has outside the advanced configuration of permanent magnet mechanism and linkage combination, have also that structure is simpler, reliability is higher, a longer service life and can reduce or remit characteristics such as maintenance.This advanced combinations structure makes up with the driving-chain that adapts, and can be applicable to the high-pressure vacuum breaker of various ways.
Description of drawings
Fig. 1 is structural representation of the present utility model (gate-dividing state);
Fig. 2 is the control system block diagram of permanent magnet mechanism.
Embodiment
The utility model mainly is made up of parts such as three phase isolated tube (A, B, C), Shell of circuit breaker, permanent magnet mechanism and control system.Three phase isolated tube (A, B, C) is placed in the housing side, and permanent magnet mechanism is installed in the housing inner chamber.Main conductive circuit by last outlet seat 10, upper bracket 11, vacuum interrupter 12, lower carriage 13, be flexible coupling 16, conductive clip 15, parts such as outlet seat 14 are formed down.
For the key operations that the pass of realizing circuit breaker is closed or cut-off, must allow the extension bar 17 that is connected on vacuum interrupter 12 moving contacts move up and down, this motion is then finished (seeing Fig. 1 for details) by permanent magnet mechanism drive link mechanism and driving-chain.Linkage comprises left and right two master connecting- rods 23,24 and the fixed support hinged with left master connecting-rod 24; Driving-chain comprises insulated tension pole 18, main shaft 20, connecting plate 21, rocking arm 22, right master connecting-rod 23 and the slave connecting rod 25 between the push rod 35 that is connected on extension bar 17 and the moving iron core; Wherein insulated tension pole 18, connecting plate 21 and main shaft 20 are hinged; Main shaft 20 is hinged with the bearing shell that is fixed on the housing; Right master connecting-rod 23, connecting plate 21 and rocking arm 22 are hinged, and rocking arm 22 is hinged with the support that is fixed on the housing; Left and right two master connecting- rods 23,24, push rod 35 and slave connecting rod 25 are hinged; This permanent magnet mechanism comprises moving iron core 34, static iron core 30, permanent magnet 32, closing coil 31, switching winding 33 and push rod 35; Moving iron core 34 places in the middle of the on/off switch coil 31,33, and passes two coil endoporus and can move up and down; Permanent magnet was located at moving iron core 34 both sides in 32 minutes, and was bonded on the boss of both sides, static iron core 30 middle part; Push rod 35 is loaded on the moving iron core 34, and hinged with slave connecting rod 25.This driving-chain is applicable to the trolley type circuit breaker.
On the driving-chain from push rod to can also being to comprise paying a slave connecting rod, left master connecting-rod, main shaft, insulated tension pole, rocking arm, connecting plate successively between the extension bar; Wherein, push rod, left master connecting-rod and slave connecting rod are hinged; Left side master connecting-rod, insulated tension pole and main shaft are hinged, and main shaft is hinged with the bearing shell that is fixed on the housing; Connecting plate, insulated tension pole and rocking arm are hinged, and rocking arm is hinged with the support that is fixed on the housing; Connecting plate and extension bar are hinged.This driving-chain is applicable to fixed circuit breaker.
The action of the on/off switch of permanent magnet mechanism is to realize by control system, control system then by electronic controller 51, charge and discharge main parts size such as electrical equipment 53, power supply 50, capacitor 54, position transducer 55 and current transformer 52 and form (seeing Fig. 2 for details).Its operation principle is: the electromagnetic force (actuating force) that produces when combined floodgate magnet exciting coil 31 or separating brake magnet exciting coil 33 are received electric current, when driving moving iron core 34 and moving to corresponding on/off switch extreme position, the permanent magnetism power (confining force) that is provided by permanent magnet 32 remains on moving iron core 34 on the extreme position firmly simultaneously.Control system is a prior art, and the commercially available prod is arranged.
In order to guard against control system to break down or during short of electricity, it is unimpeded and normal operation must be set up emergent manual on/off switch operating grip 40,47 to guarantee in time to recover power network line; The closing by hand handle is made up of parts such as handle 40, shifting block 41, sliding sleeve 42, switching-in spring 43, coupling bar 44 and cross-arms 46, shifting block 41 is hinged with the support that is fixed on the housing, sliding sleeve 42 is hinged with shifting block 41, coupling bar 44 and cross-arm 46 fastening connections, cross-arm 46 is hinged by connecting plate and slave connecting rod 25; The manual brake separating handle is made up of palm 47, shifting block 48, tripping spring 45, and shifting block 48 is hinged with fixed support, and tripping spring 45 is connected on cross-arm 46 and the housing.
Claims (5)
1, a kind of high-pressure vacuum breaker comprises Shell of circuit breaker and the three phase isolated tube that is arranged on the housing side; Insulating cylinder top is provided with upper and lower outlet seat (10,14), upper and lower support (11,13), vacuum interrupter (12) and the extension bar (17) that connects with vacuum interrupter (12) moving contact, it is characterized in that: also comprise driving linkage and the driving-chain that extension bar (17) moves up and down, drive the permanent magnet mechanism of this linkage and driving-chain motion; This permanent magnet mechanism comprises the moving iron core (34) in the middle of being arranged on, and is arranged on the peripheral static iron core (30) of moving iron core (34), is fixed on the permanent magnet (32) at static iron core (30) middle part and is installed in push rod (35) on the moving iron core (34); Static iron core in the permanent magnet mechanism (30) inner chamber two ends are provided with closing coil (31) and switching winding (33); Drive three and link by a cover twin coil, bistable-state permanent magnet mechanism; This linkage comprises hinged left and right two master connecting-rods (23,24), wherein a master connecting-rod (23,24) is hinged with the support that is fixed on the housing that exceeds the quata, and this driving-chain comprises insulated tension pole (18), main shaft (20), connecting plate (21), rocking arm (22), left and right master connecting-rod (23,24) and the slave connecting rod (25) between the push rod (35) that is connected in successively on extension bar (17) and the moving iron core (34); Main shaft (20) is hinged with the bearing shell that is fixed on the housing.
2, a kind of high-pressure vacuum breaker according to claim 1 is characterized in that: the connecting plate that is hinged with band cross-arm (46) on the described slave connecting rod (25); Also comprise the emergent manual brake separating handle (47) that is made of shifting block (48), tripping spring (45), wherein, shifting block (48) is hinged with the support that is fixed on the housing, and tripping spring (45) connects with cross-arm (46) and housing.
3, a kind of high-pressure vacuum breaker according to claim 2 is characterized in that: also comprise the emergent closing by hand handle (40) that is made of shifting block (41), sliding sleeve (42), switching-in spring (43), coupling bar (44); Wherein, shifting block (41) and sliding sleeve (42), shifting block (41) and the support that is fixed on the housing are hinged, coupling bar (44) and fastening connection of cross-arm (46).
4, a kind of high-pressure vacuum breaker according to claim 1 and 2 is characterized in that: on the described driving-chain from push rod (35) to comprising slave connecting rod (25), right master connecting-rod (23), rocking arm (22), connecting plate (21), main shaft (20), insulated tension pole (18) between the extension bar (17) successively; Wherein push rod (35), right master connecting-rod (23) and slave connecting rod (25) are hinged; Right master connecting-rod (23), connecting plate (21) and rocking arm (22) are hinged, and rocking arm (22) is hinged with the support that is fixed on the housing; Connecting plate (21), insulated tension pole (18) and main shaft (20) are hinged, and main shaft (20) is hinged with the bearing shell that is fixed on the housing; Insulated tension pole (18) other end and fastening connection of extension bar (17).
5, a kind of high-pressure vacuum breaker according to claim 1 and 2 is characterized in that: pay slave connecting rod, left master connecting-rod, main shaft, insulated tension pole, rocking arm, connecting plate from push rod to comprising successively between the extension bar on the described driving-chain; Wherein, push rod, left master connecting-rod and slave connecting rod are hinged; Left side master connecting-rod, insulated tension pole and main shaft are hinged, and main shaft is hinged with the bearing shell that is fixed on the housing; Connecting plate, insulated tension pole and rocking arm are hinged, and rocking arm is hinged with the support that is fixed on the housing; Connecting plate and extension bar are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720087428XU CN201112263Y (en) | 2007-09-26 | 2007-09-26 | High voltage vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720087428XU CN201112263Y (en) | 2007-09-26 | 2007-09-26 | High voltage vacuum breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201112263Y true CN201112263Y (en) | 2008-09-10 |
Family
ID=39964008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720087428XU Expired - Fee Related CN201112263Y (en) | 2007-09-26 | 2007-09-26 | High voltage vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201112263Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184803A (en) * | 2011-01-07 | 2011-09-14 | 无锡市锡山湖光电器有限公司 | Manual closing device of antitheft vacuum circuit breaker |
| CN103943428A (en) * | 2014-04-23 | 2014-07-23 | 华东交通大学 | Movable medium-low-voltage circuit breaker drive device for permanent magnets |
| CN104412350A (en) * | 2012-07-06 | 2015-03-11 | Abb技术股份公司 | Pushrod assembly for a medium voltage vacuum circuit breaker |
| CN107258006A (en) * | 2015-02-26 | 2017-10-17 | 通用电器技术有限公司 | Drive device for electric switching system |
| CN109510244A (en) * | 2018-12-29 | 2019-03-22 | 国网山东省电力公司泰安供电公司 | Low pressure distributed photovoltaic switching control device and system |
-
2007
- 2007-09-26 CN CNU200720087428XU patent/CN201112263Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184803A (en) * | 2011-01-07 | 2011-09-14 | 无锡市锡山湖光电器有限公司 | Manual closing device of antitheft vacuum circuit breaker |
| CN102184803B (en) * | 2011-01-07 | 2013-09-25 | 无锡市锡山湖光电器有限公司 | Manual closing device of antitheft vacuum circuit breaker |
| CN104412350A (en) * | 2012-07-06 | 2015-03-11 | Abb技术股份公司 | Pushrod assembly for a medium voltage vacuum circuit breaker |
| CN103943428A (en) * | 2014-04-23 | 2014-07-23 | 华东交通大学 | Movable medium-low-voltage circuit breaker drive device for permanent magnets |
| CN103943428B (en) * | 2014-04-23 | 2016-08-17 | 华东交通大学 | A kind of permanent magnet packaged type Low Voltage Circuit Breaker driving means |
| CN107258006A (en) * | 2015-02-26 | 2017-10-17 | 通用电器技术有限公司 | Drive device for electric switching system |
| CN109510244A (en) * | 2018-12-29 | 2019-03-22 | 国网山东省电力公司泰安供电公司 | Low pressure distributed photovoltaic switching control device and system |
| CN109510244B (en) * | 2018-12-29 | 2023-09-22 | 国网山东省电力公司泰安供电公司 | Low-voltage distributed photovoltaic switching control device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20100926 |